Hoa Nguyen, M.D.
Internal Medicine Physician · La Mirada, CA
Hoa Nguyen, M.D. is an internal medicine physician with a practice address in La Mirada, California, and NPI 1508897158, issued on Jul 5, 2006. Check the license (California A42958, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hoa Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A42958 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15651 E. Imperial Hwy, La Mirada, CA 90638
- Phone
- (562) 947-9591
- Enumerated
- Jul 5, 2006
- Record last updated
- Mar 21, 2025
- Fax
- (562) 947-8956
- Medicare enrollment
- Enrolled (PECOS I20110420000206); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Hoa Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average internal medicine physician in 2024
4,664 Medicare Part D claims for 318 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium467 claims
- Amlodipine Besylate302 claims
- Levothyroxine Sodium189 claims
- Losartan Potassium180 claims
- Metformin Hcl162 claims
- Jardiance154 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,179.78
70 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Hoa Nguyen among 17,696 internal medicine physician records in California
Hoa Nguyen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in La Mirada
They are 6 of the 427 NPPES records with a practice address in La Mirada, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in La Mirada → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anwar Arastu, MDLa Mirada, CA 906381760509749
- Alexander Chen, D.O.La Mirada, CA 906381114252608
- Rocely Ella-TamayoLa Mirada, CA 906381336570597
- Ajit Shah, M.D.La Mirada, CA 906381528159233
- Tamra Hocking, M.D.La Mirada, CA 906391548486723
- Jonathan Chien, M.D.Montebello, CA 906401558327270
- Jackson Ma, M.D.Montebello, CA 906401447298732
- Mohinderjit Neelam, M.D.Montebello, CA 906401457325193
Common questions
What is Hoa Nguyen, M.D.'s NPI number?
Hoa Nguyen, M.D.'s National Provider Identifier (NPI) is 1508897158, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hoa Nguyen, M.D. located?
The NPPES record lists a practice address at 15651 E. Imperial Hwy, La Mirada, CA, 90638. Phone: (562) 947-9591. Providers update this record themselves, so call before visiting.
How can I verify Hoa Nguyen, M.D.'s license?
NPPES lists California license number A42958, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hoa Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Hoa Nguyen, M.D. had 4,664 Medicare Part D claims for 318 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.